As pilots (ppl thu to ATPL) have conscious duty for ones own life and those onboard the same aircraft.
Surely the flight deck should be pretty happy to have all those extra eyeballs giving a critical once over before departure.
How many times pitot covers have been left on. Static ports covered over, doors, holes, cracks.
Once saved a captain the embarresment when we pointed out his brake disc was completely cracked on a 7x.
To surmise all pax are ignorant is proof of ones own ignorance!